Miles between Thornton, CO and Huron, SD

There are
641 mi
from Thornton, CO to Huron, SD

That's the driving distance. It would take 11 hours 31 mins to go from Thornton, Colorado to Huron, South Dakota.

The flight distance (direct flight from Thornton, CO to Huron, SD) is 464.92 mi.

641 mi = 1,031.33 kms